VAN DER HAMMEN, T.; CLEEF, A. M. Holocene changes of rainfall and river discharge in northern South America and the El Nino phenomenon. ERDKUNDE, [S. l.], v. 46, n. 3/4, p. 252–256, 1992. DOI: 10.3112/erdkunde.1992.03.08. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2265. Acesso em: 12 dec. 2024.